Galactopticon is a single-player sci-fi comedy FPS starring a gang of hard-boiled interstellar pirates. The epic storyline will be supported by gameplay elements such as ironsight aiming and an RPG-style branching dialogue system.

I think it's a compliment, at least he said 'looks kind of like' where the other guy just said 'stop copying and be more original!'.

And anyways, I personally think all the Killzone weapons are awesome looking. Sure there are some similarities to the one in Killzone, but many games have similarities withe each other. Nobody can be 100% original all the time. :D